PoochieBells The Original & Trusted Dog Housetraining Doorbell. Potty Dog Bells to Housetrain & Communicate With Your Dog : Handcrafted in USA Since 2005 : Endorsed by Pet Industry Professionals : Easy 95% Success Rate: Potty Training Instructions Included : Fashionable Collection Easily train your dog to ring the bells when he needs to go outside Proven training method is trusted and endorsed by pet professionals Good quality craftsmanship Perfect for any age, size or breed Proudly made in the USA